Ohio #3 Fireclay
| Oxide | Analysis | Formula | Tolerance |
|---|---|---|---|
| Al2O3 | 27.69% | 1.00 | |
| SiO2 | 55.75% | 3.42 | |
| K2O | 2.96% | 0.12 | |
| TiO2 | 1.99% | 0.09 | |
| Fe2O3 | 2.28% | 0.05 | |
| MgO | 1.15% | 0.11 | |
| LOI | 8.17% | n/a | |
| Oxide Weight | 338.23 | ||
| Formula Weight | 368.32 | ||
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Fireclay
Fireclays are non-kaolin non-ball clay materials similar to stoneware clays but lacking fluxing oxides. Many fireclays have a PCE of 28 or more. |